No | Welding method | Joint types | Weld types |
Weld coefficient |
1 |
Forge welding |
Butt welding |
Straight line |
0.6 |
2 |
Electric resistance welding |
Butt welding |
Straight or spiral |
0.85 |
3 |
Arc welding |
Single face butt weld |
Straight or spiral |
0.8 |
0.9 |
||||
1.0 |
||||
Double butt welding |
0.85 |
|||
0.9 |
||||
1.0 |